Since TASCHEN released The Great American Pin-up, international interest in this distinctly American art form has increased exponentially. Paintings by leading artists such as Alberto Vargas, George Petty, and Gil Elvgren that sold for $ 2,000 in 1996 are going for $ 200,000 and more today. Pin-up--drawings, paintings, and pastels of an idealized female face and figure intended for public display--was...